Fix wrongly ordered assertThat#withFailMessage not showing

[mohamedibrahim54]

Hi,
in Part11BlockingToReactiveTest.slowPublisherFastSubscriber method: withFailMessage is ignored and no fail message will be show.
assertThat(repository.getCallCount()).isEqualTo(0).withFailMessage("The call to findAll must be deferred until the flux is subscribed");
To test that modify Part11BlockingToReactive.blockingRepositoryToFlux mothod as following:
return Flux.fromIterable(repository.findAll());
the test will failed but fail message is not displayed.
after small change, it is fixed:
assertThat(repository.getCallCount()) .withFailMessage("The call to findAll must be deferred until the flux is subscribed") .isEqualTo(0);
now the fail message is displayed if the assert is false.
hope my request is useful.
Thanks.

[simonbasle]

@mohamedibrahim54 yeah that makes sense, thank you!